Catch each other’s attention

• Hey, Ho: 13th century

• Hi: 15th century

• Hollo, Hillo, Holla, Halloo: 16th century
     Shouts used in hunting

Greetings

• Hal: Be healthy

• Hail: 13th century

• Hallo, Hello, Hillo, Hollo, Hullo
     Stress was on the second syllable,
  difficult to hear the quality of the first vowel.

• Google Ngram Viewer
  

Early 1800s: informal, street slang

Telephone

• 1876: Invented by Alexander Graham Bell (Not Edison)

Need a way of starting a conversation

Thomas Edison

• Prefered Hello:
  Shouted 'Hello' ('Halloo') into the mouthpiece when testing a phonograph (留聲機)

• A letter (1877) used Hello:
  "I don't think we shall need a call bell, as 'Hello!' can be heard 10 to 20 feet away. What do you think?"

15th Century

• 擁有權
  have an interest in an estate

• 股份
  hold an interest in a company

• 好處、利益
  It’s in your interest to vote for me

17th Century: 興趣、嗜好

Dis- only

• Discontent vs. Uncontent

Un- only

• Discomfortable vs. Uncomfortable

Dis- & Un- with different meanings

• Disterested vs. Uninterested

Dis- & Un- with overlapping meanings

• Disterested vs. Uninterested

Uninterested: bored, unconcerned

Disinterested: impartial, bored('incorrect', Oxford)

• 車夫
• one who stole goods or luggage from vehicles

吃土豆 (閩南語)?

食品藥物管理署: 毒品相關術語